Service Manual

Removing the heat-sink assembly
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before working inside your computer. After working inside your
computer, follow the instructions in After working inside your computer.
For more safety best practices, see the Regulatory Compliance home
page at
www.dell.com/regulatory_compliance.
WARNING: The heat sink may become hot during normal operation.
Allow sufficient time for the heat sink to cool before you touch it.
CAUTION: For maximum cooling of the processor, do not touch the heat
transfer areas on the heat sink. The oils in your skin can reduce the heat
transfer capability of the thermal grease.
Prerequisites
1 Remove the base cover.
2 Remove the wireless card.
3 Remove the solid-state drive.
4 Remove the rear-I/O cover.
5 Remove the computer base.
Procedure
1 Disconnect the left-fan cable from the system board.
2 Disconnect the right-fan cable from the system board.
3 In sequential order (as indicated on the heat-sink assembly), remove the
seven screws (M2x3) that secure the heat-sink assembly to the system board.
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